diff --git a/package.json b/package.json
index 1779f497..560e6237 100644
--- a/package.json
+++ b/package.json
@@ -91,7 +91,7 @@
     "pkg-types": "^1.3.0",
     "postcss": "^8.4.49",
     "postcss-loader": "^8.1.1",
-    "postcss7": "npm:postcss@7",
+    "postcss7": "npm:postcss@8",
     "prettier": "^3.4.2",
     "rimraf": "^6.0.1",
     "rollup": "^4.29.1",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index a773b221..5f191e99 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -186,8 +186,8 @@ importers:
         specifier: ^8.1.1
         version: 8.1.1(postcss@8.4.49)(typescript@5.7.2)(webpack@5.97.1)
       postcss7:
-        specifier: npm:postcss@7
-        version: postcss@7.0.39
+        specifier: npm:postcss@8
+        version: postcss@8.4.49
       prettier:
         specifier: ^3.4.2
         version: 3.4.2